P
Permafrost Worm
What Is Permafrost Worm? A permafrost worm is a nematode recovered from ancient Siberian permafrost that scientists revived after tens of thousands of years in cryobiotic suspension. Classification: Roundworms (Nematodes) › Permafrost Worm Key Takeaway Permafrost worm findings demonstrate that some nematodes can survive extremely long cryobiotic suspension. The discovery is relevant to biology and ... Read more
H
Hookworm
What Is a Hookworm? A hookworm is a parasitic roundworm that attaches to the lining of the small intestine and feeds on blood. The two species that most commonly infect humans are Necator americanus and Ancylostoma duodenale. According to the CDC, hookworm is a leading cause of anemia and malnutrition in parts of the world ... Read more
D
Dracunculus medinensis
Dracunculus medinensis (commonly referred to as Guinea worm) Dracunculus medinensis Details: Type:Helminth (parasitic roundworm) Category:Tissue nematode Transmission Type:Waterborne (ingestion of contaminated water) Primary Target Area:Subcutaneous tissue (usually lower limbs) Lifecycle Form:Larvae (infective stage inside water fleas), adult worm (subcutaneous tissue stage) Incubation Period:Symptoms typically appear about 10 to 14 months after ingestion of contaminated water. ... Read more
O
Onchocerca volvulus
Onchocerca volvulus (commonly referred to as the river blindness parasite) Onchocerca volvulus Details: Type:Helminth (parasitic roundworm) Category:Filarial nematode (tissue-dwelling parasite) Transmission Type:Vector-borne (blackfly transmission) Primary Target Area:Skin and eyes Lifecycle Form:Microfilariae (larval stage in skin and eyes), adult worm (subcutaneous nodules) Incubation Period:Symptoms may take months to years to develop after infection. Transmission: Onchocerca volvulus ... Read more
B
Brugia malayi
Brugia malayi (also referred to as B. malayi) Brugia malayi Details: Type:Helminth (parasitic roundworm) Category:Filarial nematode (lymphatic parasite) Transmission Type:Vector-borne (mosquito transmission) Primary Target Area:Lymphatic system Lifecycle Form:Microfilariae (circulating larval stage), adult worm (lymphatic vessel stage) Incubation Period:Symptoms may take months to years to develop after infection. Transmission: Brugia malayi is transmitted through the bite ... Read more
W
Wuchereria bancrofti
Wuchereria bancrofti (also referred to as W. bancrofti) Wuchereria bancrofti Details: Type:Helminth (parasitic roundworm) Category:Filarial nematode (lymphatic parasite) Transmission Type:Vector-borne (mosquito transmission) Primary Target Area:Lymphatic system Lifecycle Form:Microfilariae (circulating larval stage), adult worm (lymphatic vessel stage) Incubation Period:Infection may remain asymptomatic for months to years before symptoms develop. Transmission: Wuchereria bancrofti is transmitted through the ... Read more
L
Loa loa
Loa loa (commonly referred to as the African eye worm) Loa loa Details: Type:Helminth (parasitic roundworm) Category:Filarial nematode (tissue-dwelling worm) Transmission Type:Vector-borne (deer fly transmission) Primary Target Area:Subcutaneous tissue (beneath the skin), eyes Lifecycle Form:Microfilariae (circulating larval stage), adult worm (subcutaneous tissue stage) Incubation Period:Symptoms may develop months to years after infection. Transmission: Loa loa ... Read more
T
Trichinella spiralis
Trichinella spiralis (also referred to as T. spiralis) Trichinella spiralis Details: Type:Helminth (parasitic roundworm) Category:Tissue nematode Transmission Type:Foodborne (zoonotic) Primary Target Area:Small intestine (initial stage), skeletal muscle (larval stage) Lifecycle Form:Encysted larva (infective form in meat), adult worm (intestinal stage), migrating larva (muscle stage) Incubation Period:Gastrointestinal symptoms may develop within 1 to 2 days after ... Read more
Toxocara cati
Toxocara cati (commonly referred to as cat roundworm) Toxocara cati Details: Type:Helminth (parasitic roundworm) Category:Zoonotic nematode Transmission Type:Fecal-oral (soil-transmitted, zoonotic) Primary Target Area:Multiple organs (liver, lungs, eyes, central nervous system) Lifecycle Form:Egg (infective form), larval stage (migratory in humans), adult worm (in cats only) Incubation Period:Symptoms may develop weeks to months after ingestion of infective ... Read more
Toxocara canis
Toxocara canis (commonly referred to as dog roundworm) Toxocara canis Details: Type:Helminth (parasitic roundworm) Category:Zoonotic nematode Transmission Type:Fecal-oral (soil-transmitted, zoonotic) Primary Target Area:Multiple organs (liver, lungs, eyes, central nervous system) Lifecycle Form:Egg (infective form), larval stage (migratory in humans), adult worm (in dogs only) Incubation Period:Symptoms may develop weeks to months after ingestion of infective ... Read more
Frequently Asked Questions
Accordion content
Accordion content
Accordion content
Accordion content
